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| author | bunnei <bunneidev@gmail.com> | 2021-07-25 11:39:04 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-07-25 11:39:04 -0700 |
| commit | 98b26b6e126d4775fdf3f773fe8a8ac808a8ff8f (patch) | |
| tree | 816faa96c2c4d291825063433331a8ea4b3d08f1 /src/shader_recompiler/frontend/ir/condition.h | |
| parent | c2aaf5137003868b2375b96ee84e2cb42d5f355e (diff) | |
| parent | 7f13104c1778cfdfd54350e92603164070781124 (diff) | |
Merge pull request #6585 from ameerj/hades
Shader Decompiler Rewrite
Diffstat (limited to 'src/shader_recompiler/frontend/ir/condition.h')
| -rw-r--r-- | src/shader_recompiler/frontend/ir/condition.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/shader_recompiler/frontend/ir/condition.h b/src/shader_recompiler/frontend/ir/condition.h new file mode 100644 index 0000000000..aa8597c608 --- /dev/null +++ b/src/shader_recompiler/frontend/ir/condition.h @@ -0,0 +1,60 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <compare> +#include <string> + +#include <fmt/format.h> + +#include "common/common_types.h" +#include "shader_recompiler/frontend/ir/flow_test.h" +#include "shader_recompiler/frontend/ir/pred.h" + +namespace Shader::IR { + +class Condition { +public: + Condition() noexcept = default; + + explicit Condition(FlowTest flow_test_, Pred pred_, bool pred_negated_ = false) noexcept + : flow_test{static_cast<u16>(flow_test_)}, pred{static_cast<u8>(pred_)}, + pred_negated{pred_negated_ ? u8{1} : u8{0}} {} + + explicit Condition(Pred pred_, bool pred_negated_ = false) noexcept + : Condition(FlowTest::T, pred_, pred_negated_) {} + + explicit Condition(bool value) : Condition(Pred::PT, !value) {} + + auto operator<=>(const Condition&) const noexcept = default; + + [[nodiscard]] IR::FlowTest GetFlowTest() const noexcept { + return static_cast<IR::FlowTest>(flow_test); + } + + [[nodiscard]] std::pair<IR::Pred, bool> GetPred() const noexcept { + return {static_cast<IR::Pred>(pred), pred_negated != 0}; + } + +private: + u16 flow_test; + u8 pred; + u8 pred_negated; +}; + +std::string NameOf(Condition condition); + +} // namespace Shader::IR + +template <> +struct fmt::formatter<Shader::IR::Condition> { + constexpr auto parse(format_parse_context& ctx) { + return ctx.begin(); + } + template <typename FormatContext> + auto format(const Shader::IR::Condition& cond, FormatContext& ctx) { + return fmt::format_to(ctx.out(), "{}", Shader::IR::NameOf(cond)); + } +}; |